The trial of the 2 study the effectiveness of the film coating to prolong the life of the banana, egg
experimental 1.The film features a selection of the appropriate number of 5 formula 1 the trial of non-stick coating method with a cloth dipped in the film in the recipe down to 1 minutes, 2 times, and selected by the spray-coated with a damp cloth and spray formula 5 results
2.Test the performance of the banana, egg, learn from life following features
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weight loss - change the color of a banana
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perishable - the meat firmly
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pH of water juice - quantity of acid from the empty, the
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